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hw/ppc/spapr,e500: Use new property "stdout-path" for boot console 

Linux kernel commit 2a9d832cc9aae21ea827520fef635b6c49a06c6d
(of: Add bindings for chosen node, stdout-path) deprecated chosen property
"linux,stdout-path" and "stdout".

Introduce the new property "stdout-path" and continue supporting the older
property to remain compatible with existing/older firmware. This older property
can be deprecated after 5 years.

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nikunj A Dadhania 2018-03-01 11:35:50 +05:30 committed by David Gibson
parent 813f3cf655
commit 90ee4e01a1
2 changed files with 14 additions and 0 deletions
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7
hw/ppc/e500.c
View File

@ -120,7 +120,14 @@ static void dt_serial_create(void *fdt, unsigned long long offset,
qemu_fdt_setprop_string(fdt, "/aliases", alias, ser);
if (defcon) {
/*
* "linux,stdout-path" and "stdout" properties are deprecated by linux
* kernel. New platforms should only use the "stdout-path" property. Set
* the new property and continue using older property to remain
* compatible with the existing firmware.
*/
qemu_fdt_setprop_string(fdt, "/chosen", "linux,stdout-path", ser);
qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", ser);
}
}

7
hw/ppc/spapr.c
View File

@ -1053,7 +1053,14 @@ static void spapr_dt_chosen(sPAPRMachineState *spapr, void *fdt)
}
if (!spapr->has_graphics && stdout_path) {
/*
* "linux,stdout-path" and "stdout" properties are deprecated by linux
* kernel. New platforms should only use the "stdout-path" property. Set
* the new property and continue using older property to remain
* compatible with the existing firmware.
*/
_FDT(fdt_setprop_string(fdt, chosen, "linux,stdout-path", stdout_path));
_FDT(fdt_setprop_string(fdt, chosen, "stdout-path", stdout_path));
}
spapr_dt_ov5_platform_support(fdt, chosen);